BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
DAL→MIA

Dallas, TX (DAL) to Miami, FL (MIA) flight delay odds

68.7% of 418 official scheduled DAL-to-MIA flights arrived on time; 19.4% arrived at least 30 minutes late and 2.4% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
68.7%arrived on time
19.4%30+ min late
2.4%cancelled
418scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late11.2%all scheduled flights
120+ minutes late2.9%all scheduled flights
Diverted0.5%did not reach as scheduled
Average arrival+15.9 mincompleted flights

Which departure time was most reliable for DAL to MIA?

Among qualifying DAL-to-MIA departure window results, Late morning had the highest on-time rate: 80.0% of 80 flights. Afternoon was lowest at 61.8% across 207 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning5379.2%9.4%1.9%
Late morning8080.0%8.8%3.8%
Afternoon20761.8%25.1%1.9%
Evening7867.9%21.8%2.6%

Which weekday was most reliable for DAL to MIA?

Among qualifying DAL-to-MIA weekday results, Thursday had the highest on-time rate: 82.7% of 52 flights. Tuesday was lowest at 54.0% across 50 flights.

DayFlightsOn time30+ minCancelled
Monday5275.0%15.4%1.9%
Tuesday5054.0%26.0%6.0%
Wednesday4955.1%26.5%2.0%
Thursday5282.7%13.5%0.0%
Friday5366.0%22.6%1.9%
Saturday8769.0%21.8%3.4%
Sunday7574.7%12.0%1.3%

Which airline was most reliable for DAL to MIA?

Only Southwest Airlines met the DAL-to-MIA airline threshold: 68.7% of 418 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines41868.7%19.4%2.4%

Which month was most reliable for DAL to MIA?

Among qualifying DAL-to-MIA month results, October 2025 had the highest on-time rate: 91.3% of 23 flights. May 2026 was lowest at 51.2% across 41 flights.

MonthFlightsOn time30+ minCancelled
July 20253956.4%23.1%2.6%
August 20253369.7%24.2%0.0%
September 20253083.3%10.0%0.0%
October 20252391.3%8.7%0.0%
November 20253476.5%11.8%8.8%
December 20253669.4%19.4%2.8%
January 20263278.1%9.4%6.2%
February 20262853.6%35.7%0.0%
March 20264367.4%25.6%2.3%
April 20263969.2%20.5%0.0%
May 20264151.2%26.8%2.4%
June 20264070.0%12.5%2.5%

What drove DAL to MIA delay minutes?

Airline was the largest recorded DAL-to-MIA delay category, accounting for 35.9% of 7,947 BTS-attributed delay minutes during July 2025–June 2026.

Airline35.9%
Late aircraft34.7%
National airspace24.7%
Weather3.9%
Security0.8%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.